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Finding the Fourth Proportional to 476,995.59, 715,821.44 and 196,512.84

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Solution

The fourth proportional to 476,995.59, 715,821.44 and 196,512.84 is: 294,904.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,995.59 : 715,821.44 = 196,512.84 : x
  2. Step 2: Convert to fraction form
    476,995.59/715,821.44 = 196,512.84/x
  3. Step 3: Cross multiply
    476,995.59x = 715,821.44 × 196,512.84
  4. Step 4: Simplify right side
    476,995.59x = 140,668,107,282.90
  5. Step 5: Solve for x
    x = 140,668,107,282.90/476,995.59
  6. Step 6: Final answer
    x = 294,904.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.